* {
  margin: 0;
  padding: 0;
}
ul,
li {
  list-style: none;
}
.container {
  height: 100vh;
  display: flex;
}
.left-container {
  height: 100%;
  width: 30vw;
  background: #f5f5f5;
}
.left-container li {
  text-align: center;
  line-height: 50px;
  height: 50px;
}
.left-container li.active {
  background: #fff;
}
.right-container {
  flex: 1;
  padding-left: 20px;
  padding-top: 20px;
}
.right-container li {
  display: flex;
  margin-bottom: 15px;
}
.right-container li .goods-info {
  flex: 1;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.right-container li .number-box {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.right-container li .number-box .numer {
  margin: 0 10px;
}
.right-container li .number-box .btn {
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  background: #f5f5f5;
  border-radius: 50%;
}
.right-container li .number-box .btn.active {
  background: #57a8ff;
  color: #fff;
}
.right-container .img {
  width: 96px;
  height: 96px;
}
.bottom-footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 50px;
  background: #333;
  z-index: 2;
}
.bottom-footer .car-box {
  position: absolute;
  width: 60px;
  height: 60px;
  top: -30px;
  left: 30px;
  background: #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.bottom-footer .car-box.animation {
  animation: move 0.6s 0.6s;
}
.bottom-footer .car-box img {
  width: 30px;
}
@keyframes move {
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(0.25);
  }
  50% {
    transform: scale(0.8);
  }
  70% {
    transform: scale(0.5);
  }
  100% {
    transform: scale(1);
  }
}
.add-animation {
  position: fixed;
  top: 0;
  left: 0;
  transition: 0.6s linear;
}
.add-animation .btn {
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  background: #f5f5f5;
  border-radius: 50%;
  background: #57a8ff;
  color: #fff;
  transition: 0.6s cubic-bezier(0.5, -0.5, 1, 1);
}
